Set of 3 filters (approx. 3 months' supply) Dog & Cat Workshop Automatic Water Dispenser Filter [Activated Carbon Filter] This product uses a circulating water system with a filter and sponge to keep the water clean. The high-quality filter, made with coconut shell activated carbon and ion exchange resin, has a high adsorption capacity and effectively removes chlorine odor and bacteria. ・Please understand that this item is stored at home and will be shipped in simple packaging before purchasing (⁎ᵕᴗᵕ⁎) ・Please check the actual photos for the condition of the product♪ Click here for the #kottonSHOP product list ❤️ #kottonSHOP Pet Supplies 14-23/1\7/4 [Veterinarian Supervised] Automatic Pet Water Dispenser (3L Large Capacity) Cat & Dog Activated Carbon Water Dispenser (Replacement Filter for 3 months)